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// Copyright 2022 The Dawn & Tint Authors
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this
// list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "src/tint/utils/reflection/reflection.h"
#include "gtest/gtest.h"
namespace tint {
namespace {
struct S {
int i;
unsigned u;
bool b;
TINT_REFLECT(i, u, b);
};
static_assert(!HasReflection<int>);
static_assert(HasReflection<S>);
TEST(ReflectionTest, ForeachFieldConst) {
const S s{1, 2, true};
size_t field_idx = 0;
ForeachField(s, [&](auto& field) {
using T = std::decay_t<decltype(field)>;
switch (field_idx) {
case 0:
EXPECT_TRUE((std::is_same_v<T, int>));
EXPECT_EQ(field, static_cast<T>(1));
break;
case 1:
EXPECT_TRUE((std::is_same_v<T, unsigned>));
EXPECT_EQ(field, static_cast<T>(2));
break;
case 2:
EXPECT_TRUE((std::is_same_v<T, bool>));
EXPECT_EQ(field, static_cast<T>(true));
break;
default:
FAIL() << "unexpected field";
break;
}
field_idx++;
});
}
TEST(ReflectionTest, ForeachFieldNonConst) {
S s{1, 2, true};
size_t field_idx = 0;
ForeachField(s, [&](auto& field) {
using T = std::decay_t<decltype(field)>;
switch (field_idx) {
case 0:
EXPECT_TRUE((std::is_same_v<T, int>));
EXPECT_EQ(field, static_cast<T>(1));
field = static_cast<T>(10);
break;
case 1:
EXPECT_TRUE((std::is_same_v<T, unsigned>));
EXPECT_EQ(field, static_cast<T>(2));
field = static_cast<T>(20);
break;
case 2:
EXPECT_TRUE((std::is_same_v<T, bool>));
EXPECT_EQ(field, static_cast<T>(true));
field = static_cast<T>(false);
break;
default:
FAIL() << "unexpected field";
break;
}
field_idx++;
});
EXPECT_EQ(s.i, 10);
EXPECT_EQ(s.u, 20u);
EXPECT_EQ(s.b, false);
}
} // namespace
} // namespace tint